To Compel Arbitration, Must Prove Knowing Acceptance of the Agreement This time, merely proving that the agreement was signed was not enough. Braga v. VMR Capital Markets, No. B144584 (Cal. App., 2Dist., 2/13/02). Arbitration Agreement * Contractual Issues (Mutual Assent) * Waiver * State Law, Applicability of * FAA (Section2). […]